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I/O FUNCTIONS AND ASSIGNMENTS
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9-4
SIG-00-22-02 JUNE 2022 (Revised September 2022)
Version: B.1
Name Output
Condition for Output to be
Available
Found on Menu
Description
PSO ‘n’ XR
PSO ‘n’ Slot =
PSO
and
PSO ‘n’ PSO Module Mode =
Crossing
PSO Programming /
PSO ‘n’ /
PSO ‘n’ Transmitter
This output indicates the crossing
activation state for PSO ‘n’.
It is de-energized when and PSO or
island is occupied (and not override
or OOS) and the stick is not set on
the exit track.
PSO ‘n’ Appr 1 Occ
PSO ‘n’ Slot =
PSO
and
PSO ‘n’ RX1 Mode /=
No
PSO Programming /
PSO ‘n’ /
PSO ‘n’ Receiver 1
This represents the occupancy of the
whole approach track that includes
PSO ‘n’ RX1 and all the tracks that
set the PSO ‘n’ RX1 Enable. The
output will be energized when RX1 is
unoccupied and its Enable is
energized, or PSO ‘n’ RX1 has been
wrapped or is out of service.
PSO ‘n’ Appr 2 Occ
PSO ‘n’ Slot =
PSO
and
PSO ‘n’ RX2 Mode /=
No
PSO Programming /
PSO ‘n’ /
PSO ‘n’ Receiver 2
This represents the occupancy of the
whole approach track including PSO
‘n’ RX2 and all the tracks that set the
PSO ‘n’ RX2 Enable. The output will
be energized when RX2 is
unoccupied and its Enable is
energized, or PSO ‘n’ RX2 has been
wrapped or is out of service.